Fossil Fuels (I)
Fossil Fuels (II)
Geothermal
Hydroelectric
100

_______ are made out of fossilized plant and animal remnants from millions of years ago.

Fossil fuels

100
Fossil fuels is the world's most dominant energy source. TRUE or FALSE?

TRUE

100

It is an energy source produced by the heat from the Earth's core

Geothermal Energy

100

It is a form of energy that generates electricity by the use of the power of moving water.

Hydroelectric energy

200

When were fossil fuels formed?

Carboniferous period

200

Energy in fossil fuels comes from _______?

The Sun
200

Geothermal energy is renewable. TRUE or FALSE?

TRUE

200

Hydroelectric energy is not one of the oldest methods of producing electricity. TRUE or FALSE?

FALSE

300

It is the partially decomposed plant material which turns into coal when subjected to more heat

Peat/ Turf

300

What is the main component of coal?

Plants

300

Wells are drilled deep into the Earth to access _______

Hot water or steam

300

Is hydroelectric energy renewable? YES or NO

YES

400

What is the main component of natural gas and oil?

Plankton/ Microscopic animals/ Bacteria

400

Fossil fuels are renewable. TRUE or FALSE?

FALSE

400

The steam is brought to the surface and used to turn turbines. As the turbines spin, they generate _______.

Electricity

400

It stores water at a higher elevation and the potential energy of stored water is harnessed as it flows downward.

Dam

500

Write the chemical equation of photosynthesis


500

_______ changes carbon dioxide and water into the molecular building blocks of ancient plants and animals.

Photosynthesis

500

Give one use of geothermal energy

Electricity Generation, Direct Heating, Industrial Uses, Geothermal Heat pumps

500

Give the process on how water is transformed into electricity

_______ --> _______ --> _______

Kinetic energy of flowing or falling water → mechanical energy → electrical energy

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